| Collector | Brandbyge, J. |
| Number | 33261 |
| Collected with | Asanza, E. & Werling, L. & Leth-Nissen, S. & Larrea, F. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Wai si ayá. 1 km upstream from the outlet in Río Aguarico. Primary forest, in some parts dominated by palms. |
| Coordinates | 0° 15' S 76° 21' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1981/08/06 |
| End date | 1981/08/06 |
| Family | Fabaceae |
| Identification | Senna bacillaris var. benthamiana (J.F.Macbr.)H.S. Irwin & Barneby |
| Determined by | R. Barneby |
| Identification qualifier | |
| Field notes | Small tree 4 m. Flowers pale yellow. |
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